819366940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2129}}^1\times {\mathrm{2749}}^1$

素因数の和:4894

約数の個数: 48

約数和(自身を含む): 1968120000

約数和(自身を除く): 1148753060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2129, 2749, 4258, 5498, 8516, 10645, 10996, 13745, 14903, 19243, 21290, 27490, 29806, 38486, 42580, 54980, 59612, 74515, 76972, 96215, 149030, 192430, 298060, 384860, 5852621, 11705242, 23410484, 29263105, 40968347, 58526210, 81936694, 117052420, 163873388, 204841735, 409683470, 819366940]

約数ペア:

[(1, 819366940), (2, 409683470), (4, 204841735), (5, 163873388), (7, 117052420), (10, 81936694), (14, 58526210), (20, 40968347), (28, 29263105), (35, 23410484), (70, 11705242), (140, 5852621), (2129, 384860), (2749, 298060), (4258, 192430), (5498, 149030), (8516, 96215), (10645, 76972), (10996, 74515), (13745, 59612), (14903, 54980), (19243, 42580), (21290, 38486), (27490, 29806)]